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Radiant|Lab Grown|IGI

1.71ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG494160365

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG494160365

Diamond specifications and retailer prices

From $1,523 CAD
$1,090 USD
As of October 30, 2026
Save $6,053 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,575 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG494160365 or 494160365. Listed at 10 retailers as of October 29, 2026, with prices from $1,523 to $7,575, a $6,053 spread on the same certified stone. MOH London lists it at $7,575. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.71
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494160365
Dimensions8.24 × 5.98 × 4.09 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.24 mm5.98 mm1.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494160365
Side View
Table 62.5%Crown 41.1°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,575 CAD|Low: $1,523 CAD|High: $7,636 CAD|Avg: $3,987 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$1,523 CAD
Retailer 5$2,878 CAD
Retailer 7$2,901 CAD
Retailer 6$3,547 CAD
Retailer 4$4,146 CAD
Retailer 3$4,548 CAD
MOH London$7,575 CAD

14 data points across 7 retailers

10 retailers$1,523 CAD to $7,575 CAD

A
Cheapest Retailer
-
$1,523 CAD
$1,090 USD
B+
Retailer 2
-
$2,274 CAD
$1,628 USD
View
B+
Retailer 3
-
$2,474 CAD
$1,771 USD
View
Retailer 4
-
$2,639 CAD
$1,889 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
$2,639 CAD
$1,889 USD
View
B+
Retailer 6
-
$2,878 CAD
$2,060 USD
View
B
Retailer 7
-
$4,146 CAD
$2,968 USD
View
B
Retailer 8
-
$4,548 CAD
$3,256 USD
View
B
Retailer 9
-
$4,945 CAD
$3,540 USD
View
Most Expensive
B
MOH London
LG494160365 · Oct 29
$7,575 CAD
£4,270 GBP
View
9 more retailers have this diamond
Prices start from $1,523 CADSave up to $6,053 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.71ct Radiant
$1,523 CAD